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- 1请你找找在生活中哪些地方需要增大摩擦力,哪些地方需要减小摩擦力.并说明理由.
- 2张师傅和李师傅两个人做的零件个数比5∶4,张师傅比李师傅多做90个,张师傅做零件多少个?
- 3甲、乙两数的和是15,且甲数比乙数多50%,甲数是()乙数是()
- 4Individuals between the age of 16 and 18 cannot be held against their wishes for more than 72 hours
- 5The panda is _____.(写出与划线部分发音相同单词,并使句子通顺)panda a是划出来的
- 6have you ever crossed the road to avoid talking to someone you meet
- 7(1)CCl4和蒸馏水都是无色液体,请按下列要求用实验方法鉴别之(简要地写出实验过程) ①只允许用一种试剂_ ②不用任何试剂_.
- 8I 'm sorry to heard that …
- 9英语翻译
- 10意大利和罗马帝国的关系